Michael of "Spotlight” (6)
I believe the answer is:
keaton
(Other definitions for keaton that I've seen before include "Buster ...... was star comic of silent screen" , "Buster ...... was poker-faced star of silent screen" , "Diane, Michael or Buster!" , "Buster ---, silent film comic" , "Buster . . . . . ., early film comedian" .)